LORD (ONLY) KNOWS (WHAT, WHERE, WHY, ETC.) ...


Meaning of LORD (ONLY) KNOWS (WHAT, WHERE, WHY, ETC.) ... in English

( informal ) used to say that you do not know the answer to sth :

'Why did she say that?' 'Lord knows!'

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.